 鲜花( 53)  鸡蛋( 0)
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5# manyu
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e! ^3 d6 y4 V4 Q找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:$ ?# Y( K$ ?. r6 F
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
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3. supporting beams are not level due to earth settlement.
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For 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.
) S$ O6 w6 v9 ?5 R+ J y3 bBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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